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Table 1: Car6 Data M1[hrs] M2[hrs] M3[hrs] M4[hrs] M6[hrs] M7[hrs] M8[hrs] M9[hrs] P1 887 799 999 666 663 333 222 114 P2 447 779 999 666 25 558 886 541 P3 234 567 852 140 222 558 965 412 P4 159 267 483 753 420 159 25 863 P5 201 478 520 145 699 875 633 222 P6 555 444 120 142 578 965 412 25 P7 463 123 456 789 876 543 210 123 P8 456 789 630 258 741 36 985 214 P9 753 21 427 520 142 534 157 896 Without optimized scheduling, the total machining time is 12475 hours.

Simulation of evacuation process based on cellular automaton model, Chin SciBull 2002: 896-901

E 51 (2008) 890-896

Math. 3 (1959) 893-896

Adaptive image contrast enhancement using generalizations of histogram equalization [J].IEEE Transaction on Image Processing, 2000, 9(5): 889~896 [4] S.

Silva 2,b, L V Silva 1,c, W de Rossi3,d, S J Buso 2 1 Physics Department, Sciences and Humanities Center, Presbyterian Mackenzie University, Rua da Consolação, 896, prédio 12, Consolação, CEP 01302-907, São Paulo - SP, Brazil 2 CCTM - Institute of Energetic and Nuclear Researches (IPEN), São Paulo - SP, Brazil. 3 CLA - Institute of Energetic and Nuclear Researches (IPEN), São Paulo - SP, Brazil.

Table.6 The physical property of the 6061 and 3003 aluminum [4] Alloy Density/g⋅cm-3 Solidification interval/°C Linear expansion factor/m⋅K -1 Specific heat/J⋅(kg⋅K) -1 Heat conductivity/ W⋅(m⋅K) -1 3003 2.74 11 23.2 893 164 6061 2.70 70 23.6 896 167 a b c Table.7 The weld metal chemical composition of the 6061 and 3003 aluminum Method Alloy Si Fe Cu Mn Mg Cr Zn Ti S Al 3003 2.51 0.56 0.009 0.64 0.16 0.005 0.02 0.008 0.12 Bal.

[5] Hao Qian; Jianhui Zhang;Jih-Sheng Lai;Wensong Yu: A high-efficiency grid-tie battery energy storage system.2011,26(3):886-896.

Vol. 90 (2001), pp. 896

Fig.1 Coupled thermo-mechanical 3D FE model Fig.2 The true stress-strain curves for hot ring of 6061aluminum alloy Table 1 Material property for 6061 aluminum alloy Material parameters Value Density () 2700 Poisson’s ratio 0.33 Thermal expansion coefficient 2.36E-5 Thermal conductor coefficient (W/(m.K)) 180 Young’s modulus (GPa) 69.7 Specific heat (J/(Kg.K)) 896 Table 2 Simulation conditions Process parameters Value Radius of driver roll (mm) 104.8 Radius of idle roll (mm) 34.9 Radius of guide rolls (mm) 34.9 Outer radius of ring blank (mm) 61.915 Inner radius of ring blank (mm) 39.685 Axial height of ring blank (mm) 20 Thickness reduction (mm) 6.23 Rotational speed of driver roll (r/min) 19.1, 28.7, 38.2, 47.8, 57.3, 66.9 Feed rate of idle roll (mm/s) 2 Temperature of ring blank (℃) 420 Temperature of driver rolls (℃) 80 Temperature of idle roll (℃) 80 Temperature of environment (℃) 20 Friction coefficient 0.3 Contact heat conductivity () 6000 Convection coefficient